Pub Date : 2024-06-01DOI: 10.3724/j.1006-8775.2024.016
Yang Kong, Chu-han Lu, Kaili Li, Yi-chen Shen
{"title":"Analysis of Summer Cold Vortex Activity Anomalies in Northeastern China and Their Relationship with Regional Precipitation and Temperature","authors":"Yang Kong, Chu-han Lu, Kaili Li, Yi-chen Shen","doi":"10.3724/j.1006-8775.2024.016","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.016","url":null,"abstract":"","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"133 42","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141408197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-01DOI: 10.3724/j.1006-8775.2024.013
Xin-rui ZENG, Xiao-dan Guan, Han CHEN, Zhimin Wei, Guo-dong Wang
{"title":"Changes of Terrestrial Water Storage in the Yellow River Basin Under Global Warming","authors":"Xin-rui ZENG, Xiao-dan Guan, Han CHEN, Zhimin Wei, Guo-dong Wang","doi":"10.3724/j.1006-8775.2024.013","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.013","url":null,"abstract":"","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"24 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141411286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-01DOI: 10.3724/j.1006-8775.2024.010
Fen-ying Cai, Cai-hong Liu, Song Yang, Kai-qiang Deng, Jürgen Kurths
{"title":"Linkage Between European and East Asian Heatwaves on Synoptic Scales","authors":"Fen-ying Cai, Cai-hong Liu, Song Yang, Kai-qiang Deng, Jürgen Kurths","doi":"10.3724/j.1006-8775.2024.010","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.010","url":null,"abstract":"","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"150 S296","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141413848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of the Initial Vortex Structure on Intensity Change During Eyewall Replacement Cycle of Tropical Cyclones: A Numerical Study","authors":"Xin-wei Yang, Yu-qing Wang, Hui Wang, Jing Xu, Rui-fen Zhan","doi":"10.3724/j.1006-8775.2024.011","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.011","url":null,"abstract":"","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"126 S16","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141390479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-01DOI: 10.3724/j.1006-8775.2024.018
Bing-hong CHEN, Pei-ling Fu, Yu ZHANG, Ran Su, Cong-cong Tian, Chao CHEN
{"title":"Characterization and Application of S-Band Polarimetric Radar and X-Band Phased Array Radar for a Tornadic Storm Event on June 16, 2022","authors":"Bing-hong CHEN, Pei-ling Fu, Yu ZHANG, Ran Su, Cong-cong Tian, Chao CHEN","doi":"10.3724/j.1006-8775.2024.018","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.018","url":null,"abstract":"","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"13 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141279472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-01DOI: 10.3724/j.1006-8775.2024.015
Chun-hua Zhou, Ju Zhang, Hong-ru Xiao
{"title":"Comparative Analysis of Energy Characteristics of Two Southwest Vortices in Sichuan Under Similar Circulation Backgrounds","authors":"Chun-hua Zhou, Ju Zhang, Hong-ru Xiao","doi":"10.3724/j.1006-8775.2024.015","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.015","url":null,"abstract":"","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"26 31","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141393095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-01DOI: 10.3724/j.1006-8775.2024.008
Shulin Zhi, Jie Zhu, Yan Liu, Meng-ni Mao
: Based on the lightning observation data from the Fengyun-4A (FY-4A) Lightning Mapping Imager (FY-4A/ LMI) and the Lightning Imaging Sensor (LIS) on the International Space Station (ISS), we extract the “event” type data as the lightning detection results. These observations are then compared with the cloud-to-ground (CG) lightning observation data from the China Meteorological Administration. This study focuses on the characteristics of lightning activity in Southeast China, primarily in Jiangxi Province and its adjacent areas, from April to September, 2017–2022. In addition, with the fifth-generation European Centre for Medium-Range Weather Forecasts reanalysis data, we further delved into the potential factors influencing the distribution and variations in lightning activity and their primary related factors. Our findings indicate that the lightning frequency and density of the FY-4A/LMI, ISS-LIS and CG data are higher in southern and central Jiangxi, central Fujian Province, and western and central Guangdong Province, while they tend to be lower in eastern Hunan Province. In general, the high-value areas of lightning density for the FY-4A/LMI are located in inland mountainous areas. The lower the latitude is, the higher the CG lightning density is. High-value areas of the CG lightning density are more likely to be located in eastern Fujian and southeastern Zhejiang Province. However, the high-value areas of lightning density for the ISS-LIS are more dispersed, with a scattered distribution in inland mountainous areas and along the coast of eastern Fujian. Thus, the mountainous terrain is closely related to the high-value areas of the lightning density. The locations of the high-value areas of the lightning density for the FY-4A/LMI correspond well with those for the CG observations, and the seasonal variations are also consistent. In contrast, the distribution of the high-value areas of the lightning density for the ISS-LIS is more dispersed. The positions of the peak frequency of the FY-4A/LMI lightning and CG lightning contrast with local altitudes, primarily located at lower altitudes or near mountainsides. K -index and convective available potential energy (CAPE) can better reflect the local boundary layer conditions, where the lightning density is higher and lightning seasonal variations are apparent. There are strong correlations in the annual variations between the dew-point temperature ( T d ) and CG lightning frequency, and the monthly variations of the dew-point temperature and CAPE are also strongly correlated with monthly variations of CG lightning, while they are weakly correlated with the lightning frequency for the FY-4A/LMI and ISS-LIS. This result reflects that the CAPE shows a remarkable effect on the CG lightning frequency during seasonal transitions.
{"title":"Characteristics of Lightning Activity in Southeast China and its Relation to the Atmospheric Background","authors":"Shulin Zhi, Jie Zhu, Yan Liu, Meng-ni Mao","doi":"10.3724/j.1006-8775.2024.008","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.008","url":null,"abstract":": Based on the lightning observation data from the Fengyun-4A (FY-4A) Lightning Mapping Imager (FY-4A/ LMI) and the Lightning Imaging Sensor (LIS) on the International Space Station (ISS), we extract the “event” type data as the lightning detection results. These observations are then compared with the cloud-to-ground (CG) lightning observation data from the China Meteorological Administration. This study focuses on the characteristics of lightning activity in Southeast China, primarily in Jiangxi Province and its adjacent areas, from April to September, 2017–2022. In addition, with the fifth-generation European Centre for Medium-Range Weather Forecasts reanalysis data, we further delved into the potential factors influencing the distribution and variations in lightning activity and their primary related factors. Our findings indicate that the lightning frequency and density of the FY-4A/LMI, ISS-LIS and CG data are higher in southern and central Jiangxi, central Fujian Province, and western and central Guangdong Province, while they tend to be lower in eastern Hunan Province. In general, the high-value areas of lightning density for the FY-4A/LMI are located in inland mountainous areas. The lower the latitude is, the higher the CG lightning density is. High-value areas of the CG lightning density are more likely to be located in eastern Fujian and southeastern Zhejiang Province. However, the high-value areas of lightning density for the ISS-LIS are more dispersed, with a scattered distribution in inland mountainous areas and along the coast of eastern Fujian. Thus, the mountainous terrain is closely related to the high-value areas of the lightning density. The locations of the high-value areas of the lightning density for the FY-4A/LMI correspond well with those for the CG observations, and the seasonal variations are also consistent. In contrast, the distribution of the high-value areas of the lightning density for the ISS-LIS is more dispersed. The positions of the peak frequency of the FY-4A/LMI lightning and CG lightning contrast with local altitudes, primarily located at lower altitudes or near mountainsides. K -index and convective available potential energy (CAPE) can better reflect the local boundary layer conditions, where the lightning density is higher and lightning seasonal variations are apparent. There are strong correlations in the annual variations between the dew-point temperature ( T d ) and CG lightning frequency, and the monthly variations of the dew-point temperature and CAPE are also strongly correlated with monthly variations of CG lightning, while they are weakly correlated with the lightning frequency for the FY-4A/LMI and ISS-LIS. This result reflects that the CAPE shows a remarkable effect on the CG lightning frequency during seasonal transitions.","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"62 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140278320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
: A second rain belt sometimes occurs ahead of a frontal rain belt in the warm sector over coastal South China, leading to heavy precipitation. We examined the differences in the mesoscale characteristics and microphysics of the frontal and warm sector rain belts that occurred in South China on May 10–13, 2022. The southern rain belt occurred in an environment with favorable mesoscale conditions but weak large-scale forcing. In contrast, the northern rain belt was related to low-level horizontal shear and the surface-level front. The interaction between the enhanced southeasterly winds and the rainfall-induced cold pool promoted the persistent growth of convection along the southern rain belt. The convective cell propagated east over the coastal area, where there was a large temperature gradient. The bow-shaped echo in this region may be closely related to the rear-inflow jet. By contrast, the initial convection of the northern rain belt was triggered along the front and the region of low-level horizontal shear, with mesoscale interactions between the enhanced warm-moist southeasterly airflow and the cold dome associated with the earlier rain. The terrain blocked the movement of the cold pool, resulting in the stagnation of the frontal convective cell at an early stage. Subsequently, a meso-γ -scale vortex formed during the rapid movement of the convective cell, corresponding to an enhancement of precipitation. The representative raindrop spectra for the southern rain belt were characterized by a greater number and higher density of raindrops than the northern rain belt, even though both resulted in comparable hourly rainfalls. These results help us better understand the characteristics of double rain belts over South China.
{"title":"Mesoscale and Microphysical Characteristics of a Double Rain Belt Event in South China on May 10–13, 2022","authors":"Zhao-hua Guo, Yun Chen, Tian-gui Xiao, Zhi-lin Zeng","doi":"10.3724/j.1006-8775.2024.007","DOIUrl":"https://doi.org/10.3724/j.1006-8775.2024.007","url":null,"abstract":": A second rain belt sometimes occurs ahead of a frontal rain belt in the warm sector over coastal South China, leading to heavy precipitation. We examined the differences in the mesoscale characteristics and microphysics of the frontal and warm sector rain belts that occurred in South China on May 10–13, 2022. The southern rain belt occurred in an environment with favorable mesoscale conditions but weak large-scale forcing. In contrast, the northern rain belt was related to low-level horizontal shear and the surface-level front. The interaction between the enhanced southeasterly winds and the rainfall-induced cold pool promoted the persistent growth of convection along the southern rain belt. The convective cell propagated east over the coastal area, where there was a large temperature gradient. The bow-shaped echo in this region may be closely related to the rear-inflow jet. By contrast, the initial convection of the northern rain belt was triggered along the front and the region of low-level horizontal shear, with mesoscale interactions between the enhanced warm-moist southeasterly airflow and the cold dome associated with the earlier rain. The terrain blocked the movement of the cold pool, resulting in the stagnation of the frontal convective cell at an early stage. Subsequently, a meso-γ -scale vortex formed during the rapid movement of the convective cell, corresponding to an enhancement of precipitation. The representative raindrop spectra for the southern rain belt were characterized by a greater number and higher density of raindrops than the northern rain belt, even though both resulted in comparable hourly rainfalls. These results help us better understand the characteristics of double rain belts over South China.","PeriodicalId":508291,"journal":{"name":"Journal of Tropical Meteorology","volume":"29 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140269266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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